Bulk 1-3/8"-6 x 5-1/2" (PT) Grade A Hex Bolts (A307, Coarse, Low Carbon, Plain) 440358 aerospace engineers

aerospace engineers

✔️ Cup point design for secure

and light industrial applications requiring clean

Matching Nuts: (Add link to 5/8"-11 A307 Grade A HDG Nuts if available)

Maintain steady pressure so the self-drilling tip can cut smoothly

Bulk 1-3/8"-6 x 5-1/2" (PT) Grade A Hex Bolts (A307, Coarse, Low Carbon, Plain) 440358 aerospace engineersBulk 1 3 8" 6 x 5 1 2" (PT) Grade A Hex Bolts (A307, Coarse, Low Carbon, Plain) Heavy Duty Fasteners for Construction, Industrial, and Structural Applications For high strength, reliable fastening, trust 1 3 8" x 5 1 2" ASTM A307 Grade A Hex Bolts. Manufactured from low carbon steel with a plain (uncoated) finish, these bolts are a top choice for infrastructure, structural, and industrial fastening applications. This listing is for a single length